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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _SUN3_INTERSIL_H
2#define _SUN3_INTERSIL_H
3/* bits 0 and 1 */
4#define INTERSIL_FREQ_32K 0x00
5#define INTERSIL_FREQ_1M 0x01
6#define INTERSIL_FREQ_2M 0x02
7#define INTERSIL_FREQ_4M 0x03
8
9/* bit 2 */
10#define INTERSIL_12H_MODE 0x00
11#define INTERSIL_24H_MODE 0x04
12
13/* bit 3 */
14#define INTERSIL_STOP 0x00
15#define INTERSIL_RUN 0x08
16
17/* bit 4 */
18#define INTERSIL_INT_ENABLE 0x10
19#define INTERSIL_INT_DISABLE 0x00
20
21/* bit 5 */
22#define INTERSIL_MODE_NORMAL 0x00
23#define INTERSIL_MODE_TEST 0x20
24
25#define INTERSIL_HZ_100_MASK 0x02
26
27struct intersil_dt {
28 unsigned char csec;
29 unsigned char hour;
30 unsigned char minute;
31 unsigned char second;
32 unsigned char month;
33 unsigned char day;
34 unsigned char year;
35 unsigned char weekday;
36};
37
38struct intersil_7170 {
39 struct intersil_dt counter;
40 struct intersil_dt alarm;
41 unsigned char int_reg;
42 unsigned char cmd_reg;
43};
44
45extern volatile char* clock_va;
46#define intersil_clock ((volatile struct intersil_7170 *) clock_va)
47#define intersil_clear() (void)intersil_clock->int_reg
48#endif